server与oracle区别？
Oracle表的唯一键约束与主键约束的一个区别是唯一键标识的表列可以为空。A．错误B．正确
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Yourdatabaseisnotconfiguredforsessionfailover.Yourtnsnames.orafilecontainsthefollowingdetails：test.us.oracle.com=（DESCRIPTION=（ADDRESS_LIST=（LOAD_BALANCE=off）（FAILOVER=ON）（ADDRESS=（PROTOCOL=tcp）（HOST=test1-server）（PORT=1521））（ADDRESS=（PROTOCOL=tcp）（HOST=test2-server）（PORT=1521）））（CONNECT_DATA=（SERVICE_NAME=test.us.oracle.com）））Whichfeatureisenabledinthiscase？（）A.LoadbalancingB.InstancefailoverC.DatabasefailoverD.Connect-timefailoverE.TransparentApplicationFailover（TAF）
Yourtnsnames.orafilehasthefollowingentryfortheservicealiasORCL：ORCL=（DESCRIPTION=（ADDRESS=（PROTOCOL=TCP）（HOST=10.156.24.216）（PORT=1521））（CONNECT_DATA=（SERVER=DEDICATED）（SERVICE_NAME=orcl.oracle.com）））TheTNSPINGcommandexecutessuccessfullywhentestedwithORCLbutyouarenotabletoconnecttothedatabaseinstancewiththefollowingcommand：SQL>CONNECTscott/tiger@orclWhatcouldbethereasonforthis？（）A.Thelistenerisnotrunningattheserver.B.TheTNS_ADMINenvironmentalvariableissettoawrongvalue.C.Theorcl.oracle.comdatabaseserviceisnotregisteredwiththelistener.D.TheDEFAULT_DOMAINparameterissettoawrongvalueintheSQLNET.ORAfile.
java与oracle 以后会有多深的关系?sun 已经被Oracle 兼并了以后Oracle 会怎么利用之前sun公司的java语言呢？
解释$ORACLE_HOME和$ORACLE_BASE的区别？
ThesystemsadministratorofalargemanufacturerhasPOWER5andPOWER6servers，eachwithLPARsrunningAIX6.1.TheyarerunningseveralworkloadsincludingSAP，DNS，Oracle，DB2andWebSphereApplicationServer，andplantoconsolidateontoonePOWER7server.HowcanthesystemadministratordeterminehowmuchbenefitActiveMemoryExpansion（AME）couldprovidefortheconsolidatedsystem？（）A.RunamepatnowonalloftheexistingLPARs.B.RunamepatafterconsolidationonallLPARs.C.RunamepatnowonallexistingLPARsrunningonthePOWER6servers.D.RunamepatnowonallexistingLPARsrunningdatabaseapplications.
Oracle数据库管理系统的Internet解决方案的产品是Oracle WebServer，下面列出的条目中，哪一项属于该产品 Ⅰ．Oracle WebListenerⅡ．Oracle WebAgentⅢ．Oracle7 ServerⅣ．Oracle OLAPA．Ⅰ和ⅡB．Ⅰ和ⅢC．Ⅰ、Ⅱ和ⅢD．全部
